some vents not blowing air in car

My car … If an electrical problem keeps it from turning on, no cool air will flow through the vents when you ask for it. I tried the following: 1. The air conditioner won’t run properly unless your engine is running. As others have mentioned, you didn’t specify what speed the fan setting is on. Also, each vent blows different temperature air. I also am having an issue where the lights that show how many miles are on the van does not light up. ac front vents not blowing out air. Turn the air conditioning on while the car is running. February 12, 2019 . It was added by the dealer. Thanks for giving me some suggestions… I have 4 settings on my switch, 4 being the higest. Go. 2. Likewise, a bad relay can also be the culprit since the relay takes the small electrical current and uses it to regulate the larger current needed for ventilation. If the actuators do not work, you either get cold air only and no hot air, or hot air and no cold air. Chevrolet Car and Truck; Cars & Trucks; All Recent ; Join; Sign In; Ask a Question × Home; Forum; Cars & Trucks; Chevrolet; Equinox; 2006 Chevrolet Equinox LS; Fixya; Share on Facebook; Share on Twitter; Share on Google+; Share on Pinterest; Share by Email × Question about 2006 Chevrolet Equinox LS. Here's Why, and What to Do About It . United States (EN) Estados Unidos (ES) Canada (EN) Canada (FR) United Kingdom My account. The air comes through the vents in the rest of my home. Car Heater Blowing Cold Air: Low Coolant Level. Most of them are fixable and very rarely will you need to overhaul your vehicle’s air conditioning system. 1 Answer . And you wait — and wait — but the heater just blows cold air. Heater Not Working; Heater Blowing Cold Air? However, for some reason, this summer the AC has not been the strongest even after the car has been on for 30 minutes or an hour which by that point it should be freezing like it always was in the past. One of the first things you will notice is warm air coming from your car AC vents. No heat to feet or defrost. One room is hot and the rest of the house is cool. Used Cars New Cars Car Values Questions More. Before replacing Heater Control Unit, it would only blow hot air from front vents- With this replacement it will now change from cold to hot and the air flow pressure does change from the front vents when changing the setting dial but there is still no air at all to feet and defrost. This means that you won’t only notice a lack of cold air, but probably a little more dust and an overall stuffiness. Avoid stacking boxes or other items near ductwork, either, as they could fall onto the ducts and crush them. AC Vent Not Blowing Air In One Room: What To Do. Instead, you have what is called a “heater core.” The blower is what circulates the heat through the core and then warms the car and passengers. when i get in the car and turn on the heat it works fine for a while but as i start driving the airflow to the vents gradually becomes restricted until there is no air reaching the vents at all. When I turn on the a/c with fan, I have air blowing from the door vents and the floor vents but nothing coming out of the dash vents. If you haven’t been regularly checking and changing your air filter, it’s most likely extremely clogged. Skip To Content. The blower fan is responsible for ventilating that warm air from the heater core through your car’s vents! There are many reasons your car's heater isn't working. 1999 Buick LeSabre Custom Sedan FWD -Maintenance & Repair. It’s freezing outside, and all you want is to get in your car and turn on the heat. Counterintuitively, the same system that keeps your engine cool is responsible for the heater working. While some mechanics say they haven't come across steam in vents before, others say they have a pretty good idea of the cause. Most cars do not have AC vents, only climate control vents. Clean your A/C vents once every month or two, or more often if you notice they become dusty. My central AC air conditioner system works very well. When using the air conditioner, the rest of the van receives cold air, and the driver side blows heat, and when using the heater, the driver side only gets cold air, while the rest of the van gets heat. .Could it be that the vents need cleaning or could it be the actual blower that is malfunctioning? Some vehicles have a valve installed in the heater core inlet line. 4 blows out fine air, but when I switch it to 3, 2, or 1, I can hear a motor running like underneath my car, but no air is blowing into the vents, either it be fan, AC or heat. If your car is not blowing warm air into the cabin and the coolant level is fine, then you could have an issue with your heater core. On many cars this is the default selection made by the climate control system. One common complaint is when all the air comes out the defroster and hits the windshield first. I change the temperature to 90 degrees but no air comes out. A clogged filter will restrict air flow into your home. Advertise EN. In normal car air conditioning if the fan is set to maximum the amount of air coming out the ac vents should be also maximum, but if the car air conditioning vent barely blows out air it is not normal. I have a problem with the HVAC system in my car. Most cars have 3 areas to direct flow. Blend Air Door Actuators, also known as HVAC actuators, are responsible for controlling the position of air vents and mixing hot and cold air to achieve the optimum temperature. If you smell a moldy odor when you turn your A/C on, clean your vent system using a disinfectant spray cleaner. 1 of 3 Go to page. I've had it into a garage who have said the thermostat is working, the tubes are fine and are getting hot but it appears that the control within the cabin isn't moving the heater flap to allow air to enter into the cabin. You'll just need the electrical problem addressed, or the blower motor itself replaced if it's gone bad. 4 min read. Start with the … If Air barely coming out of vents in the car it means there is a problem with the air passage commonly called the air duct and makes the car ac not blowing air from vents. Coolant (which is a mix of water and antifreeze) is what circulates around the car’s engine. However, inexpensive foam paintbrushes make the job quick and easy. The fan is the only thing that can actually move air so if you are still getting air flow through the vents I would suggest it is one of the following. The job of the blend doors is to change the direction of flow and make sure that the air is discharged at the right location. There are exceptions. By Stephen Fogel. However, when the blower fan is not working correctly, you may notice little to no airflow coming from the vents. The vents are not blowing out any air hot or cold. Your road trip becomes more comfortable in the summer weekend if you travel in a Cool Car. You start it up and hit the heater. 1. To prevent issues with air flow through your AC ducts into the rooms of your home, be sure to never store items in your attic on top of any ductwork. Heater working but only blows out front vents. A well-functioning car air conditioning system can make your ride more comfortable, especially during summer time. This list of car AC problems is by no means a comprehensive list of all the different things that could be responsible for your AC blowing hot air. Well, there are a lot of things to consider. If the valve is stuck closed, that may also answer the question, is your Toyota car heater blowing cold air. Which means that they blow what ever air is selected. 2003 Buick lesabre The battery died on the car and needed to be replaced. Jim Coughlin, owner of Summerfield Automotive in Charlotte, North Carolina, says he’s had customers complain about moisture, or steam, coming through the vents or water on the passenger side floor. The blower motor is still running fine but the air is not reaching the vents Turning the fan up to 4 will sometimes fix it temporarily. This phenomenon occurs during warm or humid weather and is … Thread starter mr z; Start date Aug 9, 2013; Tags air conditioning commodore cooling knob vents; 1; 2; 3; Next. A faulty blower fan can make the car ac stopped working suddenly. A blown fuse or bad relay – If the ventilation fuse blows there will be no power to the blower motor preventing air from blowing through the vents. In car heaters there is not an electric element. (2) Air duct blockage. If not, flush the heater core and this should fix the problem. I tried switching it to floor and nothing is coming out. Only one of them is blowing out “acceptably” cold. You might not think your filter contributes to your AC not blowing cold air, but it does. I had a 1980 Ferrari that did not come stock with AC. My account Saved searches Saved listings Sign in × We use cookies to … Some are way warmer than the others. What is wrong? When the car ac is not blowing air from vents it is a sign of a faulty blower fan or air duct blockage. There is one room that the air comes through the vent but it is very weak and not cooling the room. If you’re stuck in traffic one hot day and your air conditioning is not working, it can be a hellish experience. What if the air is blowing, but in the wrong place. Since you don't mention the car I would suggest that most air handling systems are similar in that they all have a fan. Next Last. Possible cause why Air Barely Coming Out of Vents in Car (1) Problem on the ac blower. Car trouble symptoms (1) Not enough amount of air is coming out the car ac vents even when the fan is at maximum setting or more worst than that is the car AC is not blowing air from the vents. Roof vents not blowing any air - On my 2011 Durango the rear roof vents are not blowing any air. For some reason all of a sudden yesterday the air from my A/C vents stopped coming out. The narrow spaces between a car’s air conditioning vents can be difficult to clean using a cloth. The best setting for diagnosis is “fresh air” (not recirculated) with the air blowing out of the center vents in the dash and the AC turned on. In such a case, take your vehicle to an automotive specialist who will repair the blend air door. Fixya Not blowing air thru the vents on blower motor. The … Air Conditioning Not Coming Through One Vent In My House Read More » Aug 9, 2013 #1 M. mr z New Member. 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